benguild

import SwiftUI

@available(iOS 16, *)
struct ContentUnavailableView<Label: View, Description: View>: View {
    private struct VerticalLabelStyle: LabelStyle {
        func makeBody(configuration: Configuration) -> some View {
            VStack(spacing: -1) {
                configuration.icon
                    .font(.system(size: 48))
                    .foregroundColor(.secondary)

benguild

private func cameraPreviewObfuscationImage(from image: CIImage, with blurRadius: CGFloat, at targetSize: CGSize) -> UIImage? {
    var blurAdjustedTargetSize = targetSize

    if targetSize.width > targetSize.height {
        blurAdjustedTargetSize.height += blurRadius * 2
    } else {
        blurAdjustedTargetSize.width += blurRadius * 2
    }

    let croppedImage = image.cropped(to: AVMakeRect(aspectRatio: blurAdjustedTargetSize, insideRect: image.extent))

benguild

UIViewController *(^topmostViewControllerForFrontmostNormalLevelWindow)(void) = ^UIViewController *{
    // NOTE: Adapted from various stray answers here:
    //   https://stackoverflow.com/questions/6131205/iphone-how-to-find-topmost-view-controller/20515681

    UIViewController *viewController;

    for (UIWindow *window in UIApplication.sharedApplication.windows.reverseObjectEnumerator.allObjects) {
        if (window.windowLevel == UIWindowLevelNormal) {
            viewController = window.rootViewController;
            break;

benguild

//
//  UIImage+QRCode.h
//
//  Created by Ben Guild on 2017/09/17.
//  Copyright © 2017年 Ben Guild. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface UIImage (QRCode)